4491488756 has 24 divisors (see below), whose sum is σ = 8076015360. Its totient is φ = 2184108192.

The previous prime is 4491488753. The next prime is 4491488773. The reversal of 4491488756 is 6578841944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491488753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442385 + ... + 452423.

It is an arithmetic number, because the mean of its divisors is an integer number (336500640).

Almost surely, 2^4491488756 is an apocalyptic number.

It is an amenable number.

4491488756 is a deficient number, since it is larger than the sum of its proper divisors (3584526604).

4491488756 is a wasteful number, since it uses less digits than its factorization.

4491488756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103 (or 13101 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 4491488756 is about 67018.5702324363. The cubic root of 4491488756 is about 1649.9220968423.

The spelling of 4491488756 in words is "four billion, four hundred ninety-one million, four hundred eighty-eight thousand, seven hundred fifty-six".